#include<iostream>
using namespace std;
//template 

class mon
{
public:
	class Boo
	{
	public:
		int m = 0;
	};


private:
	int _ret = 0;
	int _top = 0;
	static int min;
};

static int min = 0;

int main()
{
	int a = 0;

	mon a;
	mon::Boo d;

	mon b;

	return 0;
}